﻿using System;
using System.Collections.Generic;
using System.Text;

namespace App.Model
{
    public class Nullable: Attribute
    {
        /// <summary>
        /// true:允许为null;
        /// </summary>
        public bool IsNullable { get; set; }
        public Nullable(bool isNullable)
        {
            IsNullable = isNullable;
        }
    }
}
